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E6581531
I-2
9
9.1.2 Measures to satisfy the EMC directive
Concrete measures for EMC directive of CE markings are shown below.
Models with a built-in EMC filter
(1) 690V class: VFPS1-6030PL to 6630KPC
The above mentioned models install EMC noise filter inside. So the conducted and radiated noise can be
reduced, optional EMC noise filters are not needed.
Table 2 EMC directive compliance
Requirements
Inverter type
EMC plate type
PWM carrier
frequency
EH
(kHz)
Length of motor
connecting
cable
(m)
Conducted noise
IEC61800-3 category C3
(EN55011 classA Group2)
VFPS1-6030PL
VFPS1-6055PL
VFPS1-6075PL
VFPS1-6110PL
VFPS1-6150PL
VFPS1-6185PL
VFPS1-6220PL
VFPS1-6300PL
EMP105Z 4
10
VFPS1-6370PL
VFPS1-6450PL
VFPS1-6550PL
VFPS1-6750PL
VFPS1-6900PL
EMP108Z
VFPS1-6110KPC
VFPS1-6132KPC
VFPS1-6160KPC
VFPS1-6200KPC
VFPS1-6250KPC
VFPS1-6315KPC
VFPS1-6400KPC
VFPS1-6500KPC
VFPS1-6630KPC
-
2.5 15
With a built-in filter
(2) Use shielded power cables and control signal cables for the input and output lines of the inverter. Route the
cables and wires so as to minimize their lengths. Keep a distance between the power cable and the control
cable and between the input and output wires of the power cable. Do not route them in parallel or bind them
together, instead cross at right angle.
(3) Install the inverter in an enclosed steel cabinet, it is more effective in limiting the radiation. Using wires as thick
and short as possible, earth the control panel securely with a distance kept between the earth cable and the
power cable.
(4) To limit the radiation noise from cables, earth each shielded cable to the EMC plate. It is effective to earth
shielded cables in the vicinity of the inverter and filter (within a radius of 10cm from each of them). Inserting a
ferrite core in a shielded cable is even more effective in limiting the radiation noise.
(5) To further limit the radiation noise, insert a zero-phase reactor in the inverter output line and insert ferrite
cores in the earth cables of the EMC and cabinet.